Magic N Stuff is a mod containing over 100 magic and combat mods, there are plenty of new biomes, weapons, bosses, enchantments, and more.

Some Major Mods Include:

Alex's Caves: adds 5 new caves with large amounts of content.
Alex's Mobs: adds over 85 new mobs around the world
Apothesis: adds reforges and gem enhancments for your weapons, while also reworking the enchanting system
Aquaculture 2: adds lots of new fish to the game
Aquamarine: adds an expansion to the oceon with new structures and creatures
Ars Nouveau: adds the ability to make a near infinte amount of cusom spells and magic items
Better Combat: rework combat animations to make it feel intense and exiting
Biomes O' Plenty: adds many new biomes across the world in both the overworld and nether
Blood Magic: adds more dangerous and risky magic
Chisel and Bits: adds a chisel item to carve chunks out of blocks and build with singular pixels
Create: adds new technology, machines, and building blocks
Deeper and Darker: expands the deep dark and adds a new sculk dimension called the otherside
Enlightened: an end expansion adding new biomes and creatures
Farmer's Delight: add tons of new crops and meals
Gateways to Eternity: lets you make portals to fight waves of enemies for great reward
Grappling Hook: adds grappling hooks and hook launchers
Iron's spells and spellbooks: adds more spells and lets you put spells on weapons
Macaw's: adds lots of new furniture and building blocks
Modular Golems: adds new golems out of different materials aswell as new types of golems
Rats: adds new rats to tame with plenty of upgrades and uses
Simple hats: adds lots of new hats which you get from mystery bags
Simple Planes: adds new planes, helicopters, and parachutes
Simply Swords: adds 14 new types of weapons along with new mythic weapons
Stalwart Dungeons: adds expansions to both the nether and end with new bosses and loot
The Bumlezone: adds a new beehive dimension with new armor, blocks, and boss
TheTwilight Forest: adds a new proggesion based dimension with tons of new loot
Valkerian Skies: lets you make custom boats and airships
Vampirism: lets you become a vampire vampire hunter, or werewolf
World Edit: adds lots of tools for builders in creative mode

Magic N Stuffs